Tech Swiss Watch Band Expansion Strech Metal Black-Gold Tone Mens 16-19 millimeter Watch Band Expansion Metal Stretch Black-Gold Tone Plated to Fit Case with Spring Ends Replacement Strap Fits Most Cases with Case Openings Mens: 16mm up to 19mm Watch Band Length: 6" without Stretch Band Offers Links that Can Be Sized Expansion Watch Band can Update a Watch or Replace a Broken Band without Spending alot of Money